<template>
  <div>
    <!-- 顶部滑动条区 -->
    <div id="slider" class="mui-slider">
      <div
        id="sliderSegmentedControl"
        class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted"
        data-scroll="1"
      >
        <div
          class="mui-scroll"
          style="transform: translate3d(0px, 0px, 0px) translateZ(0px); transition-duration: 0ms;"
        >
          <a
            :class="['mui-control-item',item.id==0?'mui-active':'']"
            v-for="item in cates"
            :key="item.id"
			      @click="getImgList(item.id)"
          >{{item.title}}</a>
        </div>
      </div>
    </div>

    <!-- 图片列表区域 -->
    <ul class="photo-list">
      <router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo'+item.id" tag="li">
        <img v-lazy="item.img_url">
        <div class="info">
          <h1 class="info-title"> 
            {{item.seo_title}}
          </h1>
          <div class="info-body">
            {{item.zhaiyao}}
          </div>
        </div>
      </router-link>
    </ul>
  </div>
</template>

<script>
//导入mui的js文件
// import mui from '../../../lib/mui/js/mui.min'
//初始化滑块控件
// mui('.mui-scroll-wrapper').scroll({
// 	deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
// });
export default {
  data() {
    return {
      cates: [], //所有分类的列表数组
      list: [] //图片列表的数组
    };
  },
  created() {
    this.getAllCategory();
    //默认进入页面就主动请求所有图片列表的数据
    this.getImgList(0);
  },
  mounted() {
    //当组件中的Dom结构被渲染好后放到页面中后，会执行这个钩子函数
    //如果要操作元素了，最好在mounted的里面，这时候的Dom元素是最新的
    // mui('.mui-scroll-wrapper').scroll({
    //     deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    // });
  },
  methods: {
    getAllCategory() {
      //获取所有的图片分类
      this.$http.get("api/getimgcategory").then(result => {
        if (result.body.status == 0) {
          //   console.log(result.body.message);
          result.body.message.unshift({ title: "全部", id: 0 });
          this.cates = result.body.message;
        }
      });
    },
    getImgList(cateid) {
      this.$http.get("api/getimages/" + cateid).then(res => {
        if (res.body.status == 0) {
			    // console.log(res.body.message)
          this.list = res.body.message;
        }
      });
    }
  }
};
</script>

<style lang="scss" scoped>
* {
  touch-action: pan-y;
}

.photo-list{
	list-style: none;
	margin: 0;
	padding:10px;
	padding-bottom: 0px;
	
	img{
		width: 100%;
		height: 100%;
		vertical-align: middle;
		box-shadow: 0 0 9px 0 #999;
	}
	li{
		background-color: #ccc;
		text-align: center;
		margin-bottom: 10px;
		position: relative;
		img[lazy="loading"] {
			width: 40px;
			height: 300px;
			margin: auto;
		}
		.info{
			color: #ffffff;
			position: absolute;
			bottom: 0;
			left: 0;
			background-color: rgba(0,0,0,0.4);
			max-height: 84px;
			text-align: left;
			.info-title{
				font-size: 15px;
			}
			.info-body{
				font-size: 13px;
			}
		}
	}
}
</style>

